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<html>
<head>
    <!-- support for mobile touch devices -->
    <meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1">

    <!-- twitter bootstrap CSS stylesheet - not required by cornerstoneTools -->
    <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">

    <link href="../cornerstone.min.css" rel="stylesheet">

</head>
<body>
<div class="container">
    <div class="page-header">
        <h1>
            Pan Zoom Synchronizer Example
        </h1>
        <p>
            This page contains an example of the panZoomSynchronizer.  Left mouse button to pan, right mouse button to zoom, mouse
            wheel to zoom.
        </p>

    </div>

    <div class="row">
        <div class="col-xs-2">
            <ul class="list-group">
                <a id="add" class="list-group-item active">Add All</a>
                <a id="remove" class="list-group-item">Remove All</a>
                <a id="add3" class="list-group-item">Add 3rd</a>
                <a id="remove3" class="list-group-item">Remove 3rd</a>
            </ul>
        </div>
        <div class="col-xs-10">
            <div style="width:256px;height:256px;position:relative;display:inline-block;color:white;"
                 oncontextmenu="return false"
                 class='cornerstone-enabled-image'
                 unselectable='on'
                 onselectstart='return false;'
                 onmousedown='return false;'>
                <div id="axial1"
                     style="width:256px;height:256px;top:0px;left:0px; position:absolute;">
                </div>
            </div>
            <div style="width:256px;height:256px;position:relative;display:inline-block;color:white;"
                 oncontextmenu="return false"
                 class='cornerstone-enabled-image'
                 unselectable='on'
                 onselectstart='return false;'
                 onmousedown='return false;'>
                <div id="axial2"
                     style="width:256px;height:256px;top:0px;left:0px; position:absolute;">
                </div>
            </div>
            <div style="width:256px;height:256px;position:relative;display:inline-block;color:white;"
                 oncontextmenu="return false"
                 class='cornerstone-enabled-image'
                 unselectable='on'
                 onselectstart='return false;'
                 onmousedown='return false;'>
                <div id="axial3"
                     style="width:256px;height:256px;top:0px;left:0px; position:absolute;">
                </div>
            </div>
        </div>
    </div>
</div>
</body>

<!-- include the cornerstone library -->
<script src="../cornerstone.min.js"></script>
<script src="../cornerstoneMath.min.js"></script>

<!-- include the cornerstone tools library -->
<script src="../../dist/cornerstoneTools.js"></script>
<script>window.cornerstoneTools || document.write('<script src="https://unpkg.com/cornerstone-tools">\x3C/script>')</script>

<!-- include special code for these examples which provides images -->
<script src="../exampleImageLoader.js"></script>
<script src="../exampleMetaDataProvider.js"></script>

<script>
    var axialElement1 = document.getElementById('axial1');
    var axialElement2 = document.getElementById('axial2');
    var axialElement3 = document.getElementById('axial3');

    var imageId = 'example://1';

    var synchronizer = new cornerstoneTools.Synchronizer("cornerstoneimagerendered", cornerstoneTools.panZoomSynchronizer);

    // image enable the dicomImage element and the mouse inputs
    cornerstone.enable(axialElement1);
    cornerstone.enable(axialElement2);
    cornerstone.enable(axialElement3);

    cornerstoneTools.mouseInput.enable(axialElement1);
    cornerstoneTools.mouseWheelInput.enable(axialElement1);
    cornerstoneTools.mouseInput.enable(axialElement2);
    cornerstoneTools.mouseWheelInput.enable(axialElement2);
    cornerstoneTools.mouseInput.enable(axialElement3);
    cornerstoneTools.mouseWheelInput.enable(axialElement3);

    cornerstone.loadImage(imageId).then(function(image) {
        // display this image
        cornerstone.displayImage(axialElement1, image);
        cornerstone.displayImage(axialElement2, image);
        cornerstone.displayImage(axialElement3, image);

        // Enable pan and zoom
        cornerstoneTools.pan.activate(axialElement1, 1);
        cornerstoneTools.pan.activate(axialElement2, 1);
        cornerstoneTools.pan.activate(axialElement3, 1);
        cornerstoneTools.zoomWheel.activate(axialElement1);
        cornerstoneTools.zoomWheel.activate(axialElement2);
        cornerstoneTools.zoomWheel.activate(axialElement3);
        cornerstoneTools.zoom.activate(axialElement1, 4);
        cornerstoneTools.zoom.activate(axialElement2, 4);
        cornerstoneTools.zoom.activate(axialElement3, 4);

        // add each element to the synchronizer
        synchronizer.add(axialElement1);
        synchronizer.add(axialElement2);
        synchronizer.add(axialElement3);

        function activate(id)
        {
            document.querySelectorAll('a').forEach(function(elem) { elem.classList.remove('active'); });
            document.getElementById(id).classList.add('active');
        }
        document.getElementById('add').addEventListener('click', function() {
            activate("add");
            synchronizer.add(axialElement1);
            synchronizer.add(axialElement2);
            synchronizer.add(axialElement3);
            return false;
        });
        document.getElementById('remove').addEventListener('click', function() {
            activate("remove");
            synchronizer.remove(axialElement1);
            synchronizer.remove(axialElement2);
            synchronizer.remove(axialElement3);
            return false;
        });
        document.getElementById('add3').addEventListener('click', function() {
            activate("add3");
            synchronizer.add(axialElement3);
            return false;
        });
        document.getElementById('remove3').addEventListener('click', function() {
            activate("remove3");
            synchronizer.remove(axialElement3);
            return false;
        });

    });


</script>
</html>
